NO964875L - Method and apparatus for oriented drilling, with a motor arranged in the downhole and independent drill string and tool assembly - Google Patents

Method and apparatus for oriented drilling, with a motor arranged in the downhole and independent drill string and tool assembly

Info

Publication number
NO964875L
NO964875L NO964875A NO964875A NO964875L NO 964875 L NO964875 L NO 964875L NO 964875 A NO964875 A NO 964875A NO 964875 A NO964875 A NO 964875A NO 964875 L NO964875 L NO 964875L
Authority
NO
Norway
Prior art keywords
downhole
drill string
tool assembly
motor arranged
oriented drilling
Prior art date
Application number
NO964875A
Other languages
Norwegian (no)
Other versions
NO964875D0 (en
NO311444B1 (en
Inventor
Michael P Williams
Ralph Ehlers
Original Assignee
Baker Hughes Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of NO964875D0 publication Critical patent/NO964875D0/en
Publication of NO964875L publication Critical patent/NO964875L/en
Publication of NO311444B1 publication Critical patent/NO311444B1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
NO19964875A 1995-11-17 1996-11-15 Method and apparatus for oriented drilling, with a downhole motor and independent drill string and tool assembly NO311444B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/560,070 US5738178A (en) 1995-11-17 1995-11-17 Method and apparatus for navigational drilling with a downhole motor employing independent drill string and bottomhole assembly rotary orientation and rotation

Publications (3)

Publication Number Publication Date
NO964875D0 NO964875D0 (en) 1996-11-15
NO964875L true NO964875L (en) 1997-05-20
NO311444B1 NO311444B1 (en) 2001-11-26

Family

ID=24236240

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19964875A NO311444B1 (en) 1995-11-17 1996-11-15 Method and apparatus for oriented drilling, with a downhole motor and independent drill string and tool assembly

Country Status (5)

Country Link
US (2) US5738178A (en)
EP (1) EP0774563B1 (en)
CA (1) CA2189834C (en)
DE (1) DE69622506T2 (en)
NO (1) NO311444B1 (en)

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Also Published As

Publication number Publication date
CA2189834A1 (en) 1997-05-18
NO964875D0 (en) 1996-11-15
EP0774563A2 (en) 1997-05-21
DE69622506D1 (en) 2002-08-29
CA2189834C (en) 2006-09-19
US5738178A (en) 1998-04-14
EP0774563A3 (en) 1998-04-15
EP0774563B1 (en) 2002-07-24
NO311444B1 (en) 2001-11-26
US6129160A (en) 2000-10-10
DE69622506T2 (en) 2003-05-08

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